Multiple choice

Why a match stick does not catch fire on its own at room temperature?

  1. Because catalyst is absent.

  2. Because sunlight is needed.

  3. Because phosphorus is absent on match stick.

  4. Because room temperature is lower than ignition temperature of the matchstick.

  5. Because carbon dioxide in the air prevents combustion.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Any substance will catch fire only when its ignition temperature is reached. But room temperature is lower than the ignition temperature of the matchstick.

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